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Luejnbogty
HK$783.58
HK$470.15
In Stock
Showing: 1 - 48 of 362 products
100% 0A41SK 4-30cm Infrared Distance Sensor with Wire GP2Y0A41SK0F
MiniLabDIY
HK$813.63
HK$488.18
In Stock
10PCS Infrared Sensor 8308-4 Mini White Fresnel Lens Body Pyroelectric PIR
Paialu
HK$792.62
HK$475.57
In Stock
10PCS RCWL-0516 Motion Detection Sensor Microwave Radar Sensor Switch RCWL 516 Module Human Sensor Body Induction Microwave Module
Shutao
HK$765.77
HK$459.46
In Stock
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
HOSMART
HK$4,929.43
HK$2,957.66
In Stock
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector
H HOSMART
HK$3,883.72
HK$2,330.23
In Stock
1/2 Mile Hosmart Driveway Alarm Wireless Sensor System & Driveway Sensor Alert System Weatherproof Security Outdoor Motion Sensor & Detector(1 Receiver & 4 Sensors)
H HOSMART
HK$4,932.52
HK$2,959.51
In Stock
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S)
Betterlink
HK$2,240.44
HK$1,344.27
In Stock
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R3S)
Betterlink
HK$3,360.85
HK$2,016.51
In Stock
1/2 Mile Long Range Wireless Driveway Alarm-HTZSAFE Outdoor/Indoor Motion Sensor&Detector-DIY Security Alert System- 1 Receiver and 3 Sensor Kit
HTZSAFE
HK$2,315.15
HK$1,389.09
In Stock
180 Degree Security Infrared Motion Sensor Detector Wall Light Switch Motion Sensor Detector Motion Sensor Detector Switch Body Sensor Inductor Switch LED Outdoor
TOPINCN
HK$795.62
HK$477.37
In Stock
180 Infrared PIR Motion Sensor Switch for LED Lights, 90~250V, Outdoor Wall Mounted Detector, Gray, Ideal for Security & Energy Efficient Lighting
F&Y
HK$763.43
HK$458.06
In Stock
1byone Driveway Alarm, Home Security Alert System with 36 Melodies, 1 Plug-in Receiver and 2 Weatherproof PIR Motion Detector, 1000ft Wireless Transmission Range and 24ft PIR Detection Range
1byone
HK$1,108.08
HK$664.85
In Stock
1Pcs Brand New White-Rodgers Indeed Connected Device 154-912
Nonbrand
HK$2,361.42
HK$1,416.86
In Stock
1Pcs New Amplifier LV-N11P Laser Sensor PLC Module fh
CG CHIPS GATE
HK$5,564.70
HK$3,338.82
In Stock
1PCS New Fiber Amplifier Pphotoelectric Sensor F5RN Fast Ship
CG CHIPS GATE
HK$4,705.70
HK$2,823.42
In Stock
1PCS New in Box Fiber Amplifier Sensor FU-38S Fast Ship
CG CHIPS GATE
HK$2,464.50
HK$1,478.70
In Stock
1PCS New in Box New Sensor NA1-PK3-PN
CG CHIPS GATE
HK$6,573.03
HK$3,943.82
In Stock
1Pcs New Long Distance Sensor Head Amplifier+ES-M1+EH-402 PLC Module mk
CG CHIPS GATE
HK$19,383.07
HK$11,629.84
In Stock
1PCS New Optical Fiber Amplifier Sensor FS-V20R FSV20R Fast Ship
CG CHIPS GATE
HK$2,950.03
HK$1,770.02
In Stock
20948 MCU 20948 Sensor Module Low Power 9 Axis MEMS Motion Tracking Device Sensor Module
WBTY
HK$972.72
HK$583.63
In Stock
220V 50HZ PIR IR Infrared Human Induction Lamp Switch Light Control Ceiling Light Motion Sensor On Off 3-6m
Phoncoo
HK$797.08
HK$478.25
In Stock
220V AC 50Hz Auto Infrared Sensor Swicth Body Motion PIR Microwave Radar Sensor Module Sensitivity 7LUX
DirectNine Basics
HK$763.43
HK$458.06
In Stock
220V Infrared Body Motion Radar Sensor PIR Sensing Switch Microwave Detector Switch Module
DYDZYJ
HK$856.62
HK$513.97
In Stock
24G Universal Microwave Radar Sensor Motion Probe Detector for Automatic Door
Kinggo
HK$1,366.48
HK$819.89
In Stock
2PCS High Performance Motion Sensor Module Radar Motion Sensor HW-MS03 2.4GHz to 5.8GHz Microwave Radar Sensor Module for Arduino
QHMLMJT
HK$987.88
HK$592.73
In Stock
2pcs PIR IR Sensor Infrared Human Body Induction Switch Light Control 220V 50HZ Ceiling Lamp Motion Sensor On Off PIR Sensor
Lufasa
HK$837.67
HK$502.60
In Stock
2 Way Voice Doorbell, 2 Channels 3 Volume Levels Wireless Voice Intercom Wide Application Elderly Friendly for Patient for Hotel (Black)
DAUZ
HK$1,366.50
HK$819.90
In Stock
360 Degree Lidar Ranging Module Sweeping Machine Scanning Turtlebot3 Radar Module Distance Sensor
Kanlim
HK$3,286.15
HK$1,971.69
In Stock
4 Channel Infrared Detector Tracking hotoelectricity Sensor Module Tracking Line Obstacle Avoidance for Smart Car Robot DIY Kit
DirectNine Basics
HK$748.05
HK$448.83
In Stock
4 Set - Genesis K-Motion Tape with Copper Infuzion- Red Pre-Cut Pack
Genesis Bowling
HK$7,373.12
HK$4,423.87
In Stock
4 X DC 12V/24V 8A Body Infrared PIR Motion Sensor Switch LED Light Strip Automatic, Black - (Color: Beige)
Flastec
HK$1,418.80
HK$851.28
In Stock
5.8G Microwave Radar Sensor Switch AC85-250V Induction Microwave Detector Radar Switch Adjustable 5-500LUX/2-200LUX - (Color: DIP Switch)
Freshmeo
HK$1,180.18
HK$708.11
In Stock
5Pcs HC-SR505 Mini Infrared PIR Motion Sensor Precise Infrared Detector Module
DYDZYJ
HK$1,023.98
HK$614.39
In Stock
AC 220V-240V 180 Degree Outdoor IP44 Security PIR Infrared Motion Sensor Detector Movement Switch Max 12m 50Hz 3-2000LUX
Deeoee
HK$777.60
HK$466.56
In Stock
ACEIRMC 6pcs VL53L0X Laser Ranging Sensor Module GY-530 VL53L0X Time-of-Flight (ToF) Laser Ranging Sensor Breakout 2.8-5V I2C IIC Interface Communication for Arduino
ACEIRMC
HK$924.82
HK$554.89
In Stock
Actpe Motion Sensor Door Chime for Business, Outdoor Doorbell Kit Wireless Driveway Alert: Infrared Motion Sensor Chime with 2 Plug-in Receiver & 1 PIR Sensor Detector Alert
Actpe
HK$1,111.11
HK$666.67
In Stock
Acuity Controls NCM PDT 10 AR RJB Ceiling Mount Sensor
Acuity Controls
HK$14,494.72
HK$8,696.83
In Stock
Acxico 1Set Sound/Light Alarm Motion Senser Security Infrared Laser Alarm Switch DIY Kits Black
Acxico
HK$765.60
HK$459.36
In Stock
![Adafruit IR Break Beam Sensor - 3mm LEDs [ADA2167]](https://images.directnine.io/products/HAB01BU6YBWU/1_41yytLApGKL_card.webp)
Adafruit IR Break Beam Sensor - 3mm LEDs [ADA2167]
Adafruit
HK$751.10
HK$450.66
In Stock
Add on Receiver.Part for Wireless Door Sensor Alarm Or Part for Wireless Motion Sensor Detect Aler(Only One Receiver)
YisTech
HK$806.95
HK$484.17
In Stock
Adjustable Motion Sensor for Enhanced Security - Versatile and Durably for Indoor/Outdoor Protected Needs
Enlybee
HK$864.72
HK$518.83
In Stock
AECO Inductive Proximity Sensor, Hexnuts Plastic for 18 mm Photoelectric and Capacitive sensors, Pack of 6ACV000036
AECO
HK$1,393.53
HK$836.12
In Stock
Aeotec Recessor for MultiSensor and TriSensor Discreet in-Wall Mount for a Seamless Smart Home Look
AEOTEC
HK$897.77
HK$538.66
In Stock
AITIAO 5Pcs SR602 Motion Sensor Detector Module Mini Pyroelectric Infrared Sensory Switch High Sensitivity for Electronic DIY
AITIAO
HK$794.10
HK$476.46
In Stock
AITRIP 2PCS VL53L1X Laser Ranging Flight Time Sensor Module with Cover 3V-5V Distance 400cm Measurement Extension Board Module for Arduino
AITRIP
HK$934.02
HK$560.41
In Stock
Akozon Mr HW06A LED Automatic Infrared Motion Sensor Control Switch, 1-40W, Compact Design Innovative with Auto Detection Function (MR-HW06A 35mm Long, 25mm Diameter)
Akozon
HK$763.43
HK$458.06
In Stock
Akozon Mr HW06A LED Automatic Infrared Motion Sensor Control Switch, 1-40W, Compact Design Innovative with Auto Detection Function (MR-HW08F 45mm Long, 40mm Diameter)
Akozon
HK$763.43
HK$458.06
In Stock